1240-01-054-5789

Find complete technical information, availability, and procurement data for: 1240-01-054-5789
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-01-054-5789

Item Name Code

22585

Assigment Date

01/21/1978 (48 years ago)

2.688 inches nominal outside diameter, 2b thread class, right-hand thread direction, 2.490 inches nominal groove diameter, 0.172 inches thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Groove Diameter: 2.490 inches nominal
Thread Length: 0.172 inches
Outside Diameter: 2.688 inches nominal
Thread Size: 2 1/2-28
Aperture Diameter: 2.406 inches nominal
Inner Groove Width: 0.078 inches nominal
Screw Thread Series Designator: uns
Thread Location: internal
Internal Flange Thickness: 1.750 inches nominal
Groove Location: inside end of thread
Material: aluminum alloy 2024 or aluminum alloy 6061
Material Document And Classification: qq-a-225/8, alloy 6061, t6 fed spec single material response or ww-t-700/3, alloy 2024, t3 fed spec single material response or ww-t-700/6, alloy 6061, t6 fed spec single material response
Surface Treatment: anodize

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
10556096	Optical Element Retaining Ring

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 1240-01-054-5789?

The FSCG of the NSN 1240-01-054-5789 is 1240

Does the NSN 1240-01-054-5789 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-01-054-5789 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 1240-01-054-5789 contain precious materials?

Item does not contain precious metal.

Does NSN 1240-01-054-5789 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 1240-01-054-5789 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Jan 21, 1978